def join.at

ezx@1.11.0.0 · src/pkg/path.bend:130

import Base

130# the path before it is normalised: the second alone when there is no
131# directory to take it relative to, the two spliced otherwise. Split out so
132# that `norm` runs once. Under a `Bool.pick` both arms were built, so every
133# join paid two full component walks and one concatenation it threw away.
134def join.at(bare: Bool, left: String, right: String) -> String:
135  match bare:
136    case True{}:
137      right
138    case False{}:
139      left ++ "/" ++ right