Struct glib::char::UChar

source ·
pub struct UChar(pub c_uchar);
Expand description

Wrapper for values where C functions expect a plain C unsigned char

This UChar type is a wrapper over an libc::c_uchar, so that we can pass it to Glib or C functions. The check for whether a Rust char (a Unicode scalar value) actually fits in a libc::c_uchar is done in the new function; see its documentation for details.

The inner libc::c_uchar (which is equivalent to u8) can be extracted with .0, or by calling my_char.into_glib().

Examples

use glib::UChar;
use std::convert::TryFrom;

UChar::from(b'a');
UChar::try_from('a').unwrap();
assert!(UChar::try_from('☔').is_err());
extern "C" fn have_a_byte(b: libc::c_uchar);

have_a_byte(UChar::from(b'a').into_glib());

Tuple Fields§

§0: c_uchar

Trait Implementations§

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Converts to this type from the input type.
Converts to this type from the input type.
Converts to this type from the input type.
This method tests for self and other values to be equal, and is used by ==. Read more
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more
The type returned in the event of a conversion error.
Performs the conversion.

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.