welder

A tool to help concatenate, implemented with a consuming builder pattern.

Examples

```rust let welder = Welder::with_start(' ', "foo");

let welder = welder.push("bar"); let welder = welder.push("baz"); let welder = welder.push("boat");

let string: String = welder.weld();

assert_eq!("foo bar baz boat", &string); ```

```rust let welder = Welder::with_start(0, 12);

let vec: Vec<_> = welder.push(14) .push(16) .push(18) .weld();

asserteq!(&[12, 0, 14, 0, 16, 0, 18], vec.asslice()); ```