EmergingEztoml.when.short: def of emerging-eztoml@0.9.0.0
Import: import emerging-eztoml@0.9.0.0/main.bend as EmergingEztoml
Lines 981-984 of emerging-eztoml@0.9.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=emerging-eztoml@0.9.0.0/main.bend&start_line=981&end_line=984

import Base

# April, June, September and November have 30 days
def when.short(+mo: U32) -> Bool:
  Bool.or(Bool.or(U32.is_eq(mo, 4), U32.is_eq(mo, 6)),
    Bool.or(U32.is_eq(mo, 9), U32.is_eq(mo, 11)))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq