Wrapper around starlark.AsString.

In other similar build systems (Buck and Bazel), there's a "main" command, and then various per-platform overrides.

If `v` is a `starlark.Sequence`, return a slice of its elements Otherwise, return it as a single-element slice For functions that take `Union[List[T], T]`.

provides dockerfile-style behavior of: a string gets interpreted as a shell command (like, sh -c 'foo bar $X') an array of strings gets interpreted as a raw argv to exec.

Int32 is a convenience type for unpacking int32 bounded values.

Unpack values that could be V or starlark.None.

Parse duration constants from starlark.

Names in Tilt should be valid Kubernetes API names.

StringSequence is a convenience type for dealing with string slices in Starlark.