How can I manipulate strings in Vyper? In solidity I could use Nick Johnson's string library. He's using assembly to do that. But that's not possible with Vyper as far as I know.
Vyper 0.1.0b8, fixed-size strings are supported as
N is the maximum size of the string, like this:
foo: string @public def __init__(_foo: string): self.foo = _foo @public @constant def get() -> string: return self.foo @public def set(_val: string): self.foo = _val
Keep pounding the refresh button at this link to keep up-to-date with new Vyper releases: https://media.readthedocs.org/pdf/vyper/latest/vyper.pdf
In ^those docs you'll also find a list of relevant built-in functions (