Enum objc2::Encoding [−][src]
pub enum Encoding<'a> {
Show 25 variants
Char,
Short,
Int,
Long,
LongLong,
UChar,
UShort,
UInt,
ULong,
ULongLong,
Float,
Double,
Bool,
Void,
String,
Object,
Block,
Class,
Sel,
Unknown,
BitField(u8),
Pointer(&'a Encoding<'a>),
Array(usize, &'a Encoding<'a>),
Struct(&'a str, &'a [Encoding<'a>]),
Union(&'a str, &'a [Encoding<'a>]),
}
Expand description
An Objective-C type-encoding.
Can be retrieved in Objective-C for a type T
using the @encode(T)
directive.
NSLog(@"Encoding of NSException: %s", @encode(NSException));
For more information, see Apple’s documentation.
Variants
Char
A C char
. Corresponds to the c
code.
Short
A C short
. Corresponds to the s
code.
Int
A C int
. Corresponds to the i
code.
Long
A C long
. Corresponds to the l
code.
LongLong
A C long long
. Corresponds to the q
code.
UChar
A C unsigned char
. Corresponds to the C
code.
UShort
A C unsigned short
. Corresponds to the S
code.
UInt
A C unsigned int
. Corresponds to the I
code.
ULong
A C unsigned long
. Corresponds to the L
code.
ULongLong
A C unsigned long long
. Corresponds to the Q
code.
Float
A C float
. Corresponds to the f
code.
Double
A C double
. Corresponds to the d
code.
Bool
A C++ bool
/ C99 _Bool
. Corresponds to the B
code.
Void
A C void
. Corresponds to the v
code.
String
A C char *
. Corresponds to the *
code.
Object
An Objective-C object (id
). Corresponds to the @
code.
Block
An Objective-C block. Corresponds to the @?
code.
Class
An Objective-C class (Class
). Corresponds to the #
code.
Sel
An Objective-C selector (SEL
). Corresponds to the :
code.
Unknown
An unknown type. Corresponds to the ?
code.
BitField(u8)
Tuple Fields
0: u8
A bitfield with the given number of bits.
Corresponds to the b
num code.
Pointer(&'a Encoding<'a>)
Tuple Fields
0: &'a Encoding<'a>
A pointer to the given type.
Corresponds to the ^
type code.
Array(usize, &'a Encoding<'a>)
An array with the given length and type.
Corresponds to the [len type]
code.
Struct(&'a str, &'a [Encoding<'a>])
A struct with the given name and fields.
The order of the fields must match the order of the order in this.
It is not uncommon for the name to be "?"
.
Corresponds to the {name=fields...}
code.
Union(&'a str, &'a [Encoding<'a>])
A union with the given name and fields.
The order of the fields must match the order of the order in this.
Corresponds to the (name=fields...)
code.
Trait Implementations
Auto Trait Implementations
impl<'a> RefUnwindSafe for Encoding<'a>
impl<'a> UnwindSafe for Encoding<'a>
Blanket Implementations
Mutably borrows from an owned value. Read more