def usage_rest

cli@0.2.0.0 · cli.bend:5291

import Base

5291# Usage wraps between elements and continues at column 7.
5292def usage_rest(elems: List<&2, Segment>, +w: Nat, +col: Nat) ->
5293    List<&2, Segment>:
5294  match elems:
5295    case Nil{}: Nil{}
5296    case Segment{+text, styles} <> tail:
5297      +ew = width(text)
5298      +fits = Nat.is_le((col + 1n + ew : Nat), w)
5299      plain(Bool.pick(String, fits, " ", "\n       ")) <>
5300        Segment{text, styles} <> usage_rest(tail, w,
5301          Bool.pick(Nat, fits, (col + 1n + ew : Nat), (7n + ew : Nat)))