def String.trim_start.if
import Base2245def String.trim_start.if(t: String, h: Char, space: Bool) -> String:
2246 match space:
2247 case False{}:
2248 SCon{h, t}
2249 case True{}:
2250 String.trim_start(t)
import Base2245def String.trim_start.if(t: String, h: Char, space: Bool) -> String:
2246 match space:
2247 case False{}:
2248 SCon{h, t}
2249 case True{}:
2250 String.trim_start(t)