只有1个tag的enum类型 只有一个Zero bit types的成员的union类型 所有成员都是Zero bit types的struct类型。 第二个是类型系统中称为zero的类型(就是类型的集合中的0),在Haskell中是类型Void,在Zig语言中是noreturn类型。这个类型也是在C语言中没有对应的等价类型。这个类型的值有如下几种: break continue return...
varv:Variant=.{.int=42};// Compiler should report a error because the v is set to int tag.v.boolean=true; C语言中,可以使用由enum 和union 组成的sturct 来实现Zig的tagged union。具体如下所示: enumVarintTag{IntTag,BooleanTag,NoneTag};structVariant{enumVarintTagtag;union{int32_tint_val;bool...
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With the high-level API of the tokenizer understood, the next question is: what is the anatomy of a token? In Zig, a token is the following structure: pubconstToken=struct{tag:Tag,loc:Loc,pubconstLoc=struct{start:usize,end:usize,};pubconstTag=enum{invalid,// ...};}; ...
const Dispatch = CreateDispatchStruct(cmds); return struct { dispatch: Dispatch, pub const CreateInstanceError = error{ OutOfHostMemory, OutOfDeviceMemory, InitializationFailed, LayerNotPresent, ExtensionNotPresent, IncompatibleDriver, Unknown, }; pub fn createInstance( self: Self, create_info: Instanc...
(Environment.isPosix) std.posix.S else struct {}; pub const Tag = enum(u8) { TODO, dup, access, connect, chmod, chown, clonefile, close, copy_file_range, copyfile, fchmod, fchmodat, fchown, fcntl, fdatasync, fstat, fstatat, fsync, ftruncate, futimens, getdents64, getdirentries64,...
pub const GpioMemInterface = struct { map_fn: fn (*GpioMemInterface) anyerror!GpioRegisterSlice, pub fn memoryMap(interface: *GpioMemInterface) !GpioRegisterSlice { return interface.map_fn(interface); } }; 请注意,这是设计接口的旧的方法Interfaces in Zig,而且最近建立了一种可能更快的方法。这...
const std = @import("std"); const assert = std.debug.assert; const expect = std.testing.expect; const S = packed struct(u16) { x: u15 = 0, y: u1 = 0, }; fn foo(s: S) callconv(.C) i32 { return s.x; } test "example" { var s: S = .{}; s.x +...
To convert a single color, use the convertColor() function on the RgbColorspace struct:pub fn example(linear_color: zigimg.color.Colorf32) void { const pro_photo_color = zigimg.color.sRGB.convertColor(zigimg.color.ProPhotoRGB, linear_color); }...
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