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v/vlib/strings/builder_js.v
João Victor Oliveira Couto 5a8c07dcf5 strings: builder: write_b()
2019-12-06 23:02:09 +03:00

48 lines
841 B
V

// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module strings
pub struct Builder {
mut:
buf []byte
pub:
len int
}
pub fn new_builder(initial_size int) Builder {
return Builder {
buf: make(0, initial_size, sizeof(byte))
}
}
pub fn (b mut Builder) write_b(data byte) {
b.buf << data
b.len += 1
}
pub fn (b mut Builder) write(s string) {
b.buf.push_many(s.str, s.len)
//b.buf << []byte(s) // TODO
b.len += s.len
}
pub fn (b mut Builder) writeln(s string) {
b.buf.push_many(s.str, s.len)
//b.buf << []byte(s) // TODO
b.buf << `\n`
b.len += s.len + 1
}
pub fn (b Builder) str() string {
return string(b.buf, b.len)
}
pub fn (b mut Builder) cut(n int) {
b.len -= n
}
pub fn (b mut Builder) free() {
}