Char

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No import is needed.

Read the usage guide for examples and common tasks. This reference lists the public declarations for this part of the library. See Reading API signatures for parameter and result notation.

compare

Orders this character against other by code point, implementing Comparable<char>.

public fun compare(other: char): int

is_digit

True if this character is an ASCII decimal digit ('0'-'9').

public fun is_digit(): bool

is_alpha

True if this character is an ASCII letter ('a'-'z' or 'A'-'Z').

public fun is_alpha(): bool

is_whitespace

True if this character is ASCII whitespace (space, tab, newline, or carriage return).

public fun is_whitespace(): bool

to_lower

The lowercase form of an ASCII uppercase letter; other characters are returned unchanged.

public fun to_lower(): char

to_upper

The uppercase form of an ASCII lowercase letter; other characters are returned unchanged.

public fun to_upper(): char

as_string

A new single-character string containing this character.

public fun as_string(): string

parse

Parses exactly one Unicode scalar from text.

public static fun parse(borrow text: string): Result<char, ParseError>