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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Public Function

once

Public Function
std.c.darwin.dispatch.once_t.once
pub inline fn once(predicate: *once_t, context: ?*anyopaque, function: function_t) void

Params

File

c/darwin/dispatch.zig:41
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    pub inline fn once(predicate: *once_t, context: ?*anyopaque, function: function_t) void {
        if (predicate.* != .done) {
            @branchHint(.unlikely);
            once_f(predicate, context, function);
        } else asm volatile ("" ::: .{ .memory = true });
        switch (builtin.mode) {
            .debug, .safe => {},
            .fast, .small => if (predicate.* != .done) unreachable,
        }
    }