Procs
proc Anchor(x1, y1, x2, y2: float): AnchorRef {...}{.inline, raises: [], tags: [].}
proc Anchor(vec1, vec2: Vector2Ref): AnchorRef {...}{.inline, raises: [], tags: [].}
proc isEmpty(a: AnchorRef): bool {...}{.raises: [], tags: [].}
- Returns true, if a is Anchor(0, 0, 0, 0)
proc `$`(x: AnchorRef): string {...}{.raises: [], tags: [].}