Trait CharExt

pub trait CharExt: Copy {
    // Required method
    fn to_char(self) -> Option<char>;

    // Provided methods
    fn is_ident_start(self) -> bool { ... }
    fn is_ident_part(self) -> bool { ... }
    fn is_line_terminator(self) -> bool { ... }
    fn is_line_break(self) -> bool { ... }
    fn is_ws(self) -> bool { ... }
}

Implemented for char.

Required Methods

fn to_char(self) -> Option<char>

Provided Methods

fn is_ident_start(self) -> bool

Test whether a given character code starts an identifier.

https://tc39.github.io/ecma262/#prod-IdentifierStart

fn is_ident_part(self) -> bool

Test whether a given character is part of an identifier.

fn is_line_terminator(self) -> bool

See https://tc39.github.io/ecma262/#sec-line-terminators

fn is_line_break(self) -> bool

See https://tc39.github.io/ecma262/#sec-literals-string-literals

fn is_ws(self) -> bool

See https://tc39.github.io/ecma262/#sec-white-space

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl CharExt for char

fn to_char(self) -> Option<char>

Implementors