Function toOwnedSliceSentinel [src]

Prototype

pub fn toOwnedSliceSentinel(a: *Allocating, comptime sentinel: u8) Allocator.Error![:sentinel]u8

Parameters

a: *Allocatingsentinel: u8

Source

  pub fn toOwnedSliceSentinel(a: *Allocating, comptime sentinel: u8) Allocator.Error![:sentinel]u8 {
    // This addition can never overflow because `a.writer.buffer` can never occupy the whole address space.
    try ensureTotalCapacityPrecise(a, a.writer.end + 1);
    a.writer.buffer[a.writer.end] = sentinel;
    a.writer.end += 1;
    errdefer a.writer.end -= 1;
    const result = try toOwnedSlice(a);
    return result[0 .. result.len - 1 :sentinel];
}  