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includes/std: Added null-terminated strings to the strings library
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WerWolv
@@ -3,127 +3,149 @@
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import std.io;
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/*!
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Libray to interact with strings.
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Libray to interact with strings.
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*/
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namespace auto std::string {
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/**
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Base type for sized strings. Represents a string with its size preceeding it.
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@tparam SizeType The type of the size field.
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@tparam DataType The type of the characters.
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*/
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struct SizedStringBase<SizeType, DataType> {
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SizeType size;
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DataType data[size];
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} [[sealed, format("std::string::impl::format_sized_string"), transform("std::string::impl::format_sized_string")]];
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/**
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Base type for sized strings. Represents a string with its size preceeding it.
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@tparam SizeType The type of the size field.
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@tparam DataType The type of the characters.
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*/
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struct SizedStringBase<SizeType, DataType> {
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SizeType size;
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DataType data[size];
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} [[sealed, format("std::string::impl::format_sized_string"), transform("std::string::impl::format_sized_string")]];
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/**
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A ASCII string with a prefixed size.
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@tparam SizeType The type of the size field.
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*/
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using SizedString<SizeType> = SizedStringBase<SizeType, char>;
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/**
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A ASCII string with a prefixed size.
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@tparam SizeType The type of the size field.
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*/
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using SizedString<SizeType> = SizedStringBase<SizeType, char>;
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/**
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A UTF-16 string with a prefixed size.
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@tparam SizeType The type of the size field.
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*/
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using SizedString16<SizeType> = SizedStringBase<SizeType, char16>;
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/**
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A UTF-16 string with a prefixed size.
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@tparam SizeType The type of the size field.
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*/
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using SizedString16<SizeType> = SizedStringBase<SizeType, char16>;
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namespace impl {
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/**
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Base type for null-terminated strings. Represents a string with its size determined by the first 0x00 byte found.
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@tparam DataType The type of the characters.
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*/
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struct NullStringBase<DataType> {
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DataType string[while($[$] != 0x00)];
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} [[format("std::string::impl::format_null_string")]];
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fn format_sized_string(ref auto string) {
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return string.data;
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};
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/**
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A null-terminated ASCII string.
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*/
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using NullString = NullStringBase<char>;
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}
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/**
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A null-terminated UTF-16 string.
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*/
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using NullString16 = NullStringBase<char16>;
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/**
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Gets the length of a string.
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@param string The string to get the length of.
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@return The length of the string.
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*/
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fn length(str string) {
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return builtin::std::string::length(string);
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};
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namespace impl {
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/**
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Gets the character at a given index.
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@param string The string to get the character from.
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@param index The index of the character to get.
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@return The character at the given index.
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*/
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fn at(str string, u32 index) {
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return builtin::std::string::at(string, index);
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};
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fn format_sized_string(ref auto string) {
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return string.data;
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};
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/**
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Gets a substring of a string.
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@param string The string to get the substring from.
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@param pos The position of the first character of the substring.
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@param count The number of characters to get.
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@return The substring.
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*/
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fn substr(str string, u32 pos, u32 count) {
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return builtin::std::string::substr(string, pos, count);
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};
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fn format_null_string(ref auto null_string) {
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return null_string.string;
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};
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}
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/**
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Gets the length of a string.
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@param string The string to get the length of.
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@return The length of the string.
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*/
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fn length(str string) {
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return builtin::std::string::length(string);
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};
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/**
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Gets the character at a given index.
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@param string The string to get the character from.
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@param index The index of the character to get.
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@return The character at the given index.
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*/
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fn at(str string, u32 index) {
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return builtin::std::string::at(string, index);
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};
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/**
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Gets a substring of a string.
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@param string The string to get the substring from.
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@param pos The position of the first character of the substring.
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@param count The number of characters to get.
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@return The substring.
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*/
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fn substr(str string, u32 pos, u32 count) {
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return builtin::std::string::substr(string, pos, count);
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};
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/**
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Converts a string to an integer.
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@param string The string to convert.
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@param base The base of the number.
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@return The integer.
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*/
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fn parse_int(str string, u8 base) {
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return builtin::std::string::parse_int(string, base);
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};
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/**
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Converts a string to an integer.
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@param string The string to convert.
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@param base The base of the number.
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@return The integer.
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*/
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fn parse_int(str string, u8 base) {
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return builtin::std::string::parse_int(string, base);
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};
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/**
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Converts a string to a float.
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@param string The string to convert.
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@return The float.
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*/
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fn parse_float(str string) {
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return builtin::std::string::parse_float(string);
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};
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/**
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Converts a string to a float.
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@param string The string to convert.
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@return The float.
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*/
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fn parse_float(str string) {
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return builtin::std::string::parse_float(string);
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};
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/**
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Converts any type to a string.
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@param x The value to convert.
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@return The string.
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*/
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/**
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Converts any type to a string.
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@param x The value to convert.
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@return The string.
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*/
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fn to_string(auto x) {
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return std::format("{}", x);
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};
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/**
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Checks if a string starts with a given substring.
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@param string The string to check.
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@param part The substring to check for.
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@return True if the string starts with the substring, false otherwise.
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*/
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/**
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Checks if a string starts with a given substring.
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@param string The string to check.
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@param part The substring to check for.
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@return True if the string starts with the substring, false otherwise.
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*/
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fn starts_with(str string, str part) {
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return std::string::substr(string, 0, std::string::length(part)) == part;
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};
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/**
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Checks if a string ends with a given substring.
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@param string The string to check.
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@param part The substring to check for.
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@return True if the string ends with the substring, false otherwise.
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*/
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/**
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Checks if a string ends with a given substring.
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@param string The string to check.
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@param part The substring to check for.
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@return True if the string ends with the substring, false otherwise.
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*/
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fn ends_with(str string, str part) {
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return std::string::substr(string, std::string::length(string) - std::string::length(part), std::string::length(part)) == part;
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};
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/**
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Checks if a string contains a given substring.
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@param string The string to check.
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@param part The substring to check for.
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@return True if the string contains the substring, false otherwise.
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*/
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/**
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Checks if a string contains a given substring.
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@param string The string to check.
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@param part The substring to check for.
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@return True if the string contains the substring, false otherwise.
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*/
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fn contains(str string, str part) {
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s32 string_len = std::string::length(string);
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s32 part_len = std::string::length(part);
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@@ -136,12 +158,12 @@ namespace auto std::string {
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return false;
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};
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/**
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Reverses a string.
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@param string The string to reverse.
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@return The reversed string.
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*/
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fn reverse(str string) {
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/**
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Reverses a string.
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@param string The string to reverse.
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@return The reversed string.
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*/
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fn reverse(str string) {
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str result;
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s32 i;
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@@ -154,82 +176,82 @@ namespace auto std::string {
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return result;
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};
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/**
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Converts a string to upper case.
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@param string The string to convert.
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@return The converted string.
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*/
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/**
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Converts a string to upper case.
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@param string The string to convert.
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@return The converted string.
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*/
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fn to_upper(str string) {
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str result;
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u32 i;
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char c;
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while (i < std::string::length(string)) {
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c = std::string::at(string, i);
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if (c >= 'a' && c <= 'z')
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result = result + char(c - 0x20);
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else
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result = result + c;
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i = i + 1;
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}
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return result;
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};
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/**
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Converts a string to lower case.
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@param string The string to convert.
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@return The converted string.
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*/
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fn to_lower(str string) {
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str result;
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u32 i;
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char c;
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while (i < std::string::length(string)) {
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c = std::string::at(string, i);
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if (c >= 'A' && c <= 'Z')
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result = result + char(c + 0x20);
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else
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result = result + c;
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i = i + 1;
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}
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return result;
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};
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str result;
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u32 i;
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char c;
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while (i < std::string::length(string)) {
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c = std::string::at(string, i);
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if (c >= 'a' && c <= 'z')
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result = result + char(c - 0x20);
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else
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result = result + c;
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i = i + 1;
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}
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return result;
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};
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/**
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Converts a string to lower case.
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@param string The string to convert.
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@return The converted string.
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*/
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fn to_lower(str string) {
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str result;
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u32 i;
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char c;
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while (i < std::string::length(string)) {
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c = std::string::at(string, i);
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if (c >= 'A' && c <= 'Z')
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result = result + char(c + 0x20);
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else
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result = result + c;
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i = i + 1;
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}
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return result;
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};
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/**
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Replaces all occurrences of a substring with another substring.
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@param string The string to replace in.
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@param pattern The substring to replace.
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@param replace The substring to replace with.
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@return The string with the replacements.
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*/
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fn replace(str string, str pattern, str replace) {
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s32 string_len = std::string::length(string);
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s32 pattern_len = std::string::length(pattern);
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/**
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Replaces all occurrences of a substring with another substring.
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@param string The string to replace in.
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@param pattern The substring to replace.
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@param replace The substring to replace with.
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@return The string with the replacements.
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*/
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fn replace(str string, str pattern, str replace) {
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s32 string_len = std::string::length(string);
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s32 pattern_len = std::string::length(pattern);
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if (pattern_len > string_len || pattern_len * string_len == 0 )
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return string;
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if (pattern_len > string_len || pattern_len * string_len == 0 )
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return string;
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str result;
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s32 string_index;
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s32 remaining_len = string_len;
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while (pattern_len <= remaining_len) {
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if (std::string::substr(string, string_index, pattern_len) == pattern) {
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result += replace;
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string_index += pattern_len;
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} else {
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result += std::string::at(string, string_index);
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string_index += 1;
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}
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remaining_len = string_len - string_index;
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}
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result += std::string::substr(string, string_index, remaining_len );
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return result;
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};
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str result;
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s32 string_index;
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s32 remaining_len = string_len;
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while (pattern_len <= remaining_len) {
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if (std::string::substr(string, string_index, pattern_len) == pattern) {
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result += replace;
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string_index += pattern_len;
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} else {
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result += std::string::at(string, string_index);
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string_index += 1;
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}
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remaining_len = string_len - string_index;
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}
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result += std::string::substr(string, string_index, remaining_len );
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return result;
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};
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}
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