ucg 0.5.7

A configuration generation grammar.
Documentation 
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let strings = import "std/strings.ucg";
let t = import "std/testing.ucg".asserts{};

let str_class = strings.ops{str="foo bar"};

assert t.equal{
    left = str_class.split_on{},
    right = ["foo", "bar"],
};

assert t.equal{
    left = strings.ops{str="foo"}.split_on{},
    right = ["foo"],
};

assert t.equal{
    left = strings.ops{str=""}.split_on{},
    right = [""],
};

assert t.equal{
    left = str_class.split_at(3),
    right = {left="foo", right=" bar"},
};