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add Buffer.appendFormat()

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This commit is contained in:
Josh Wolfe 2017-11-29 19:31:09 -07:00
parent 418b0967fc
commit 88a7f203f9
1 changed files with 6 additions and 0 deletions
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6
std/buffer.zig
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@ -4,6 +4,8 @@ const Allocator = mem.Allocator;
const assert = debug.assert;
const ArrayList = @import("array_list.zig").ArrayList;
const fmt = @import("fmt/index.zig");
/// A buffer that allocates memory and maintains a null byte at the end.
pub const Buffer = struct {
list: ArrayList(u8),
@ -96,6 +98,10 @@ pub const Buffer = struct {
mem.copy(u8, self.list.toSlice()[old_len..], m);
}
pub fn appendFormat(self: &Buffer, comptime format: []const u8, args: ...) -> %void {
return fmt.format(self, append, format, args);
}
pub fn appendByte(self: &Buffer, byte: u8) -> %void {
return self.appendByteNTimes(byte, 1);
}