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pub const CallModifier = enum {
/// Equivalent to function call syntax.
auto,
/// Equivalent to async keyword used with function call syntax.
async_kw,
/// Prevents tail call optimization. This guarantees that the return
/// address will point to the callsite, as opposed to the callsite's
/// callsite. If the call is otherwise required to be tail-called
/// or inlined, a compile error is emitted instead.
never_tail,
/// Guarantees that the call will not be inlined. If the call is
/// otherwise required to be inlined, a compile error is emitted instead.
never_inline,
/// Asserts that the function call will not suspend. This allows a
/// non-async function to call an async function.
no_async,
/// Guarantees that the call will be generated with tail call optimization.
/// If this is not possible, a compile error is emitted instead.
always_tail,
/// Guarantees that the call will be inlined at the callsite.
/// If this is not possible, a compile error is emitted instead.
always_inline,
/// Evaluates the call at compile-time. If the call cannot be completed at
/// compile-time, a compile error is emitted instead.
compile_time,
};
// syntax
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