Struct glib::char::UChar
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pub struct UChar(pub c_uchar);
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.to_glib()
.
Methods
impl UChar
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pub fn new(c: char) -> Option<UChar>
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Creates a Some(UChar)
if the given char
is representable as an libc::c_uchar
Example
extern "C" fn have_a_byte(b: libc::c_uchar); let a = Char::new('a').unwrap(); assert!(a.0 == 65); have_a_byte(a.to_glib()); let not_representable = Char::new('☔'); assert!(not_representable.is_none());
Trait Implementations
impl Debug for UChar
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl Copy for UChar
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impl Clone for UChar
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fn clone(&self) -> UChar
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Eq for UChar
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impl PartialEq for UChar
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fn eq(&self, __arg_0: &UChar) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &UChar) -> bool
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This method tests for !=
.