Cli.is_negative_number: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 2930-2931 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=2930&end_line=2931

import Base

def is_negative_number(+s: String) -> Bool:
  Bool.and(String.starts_with(s, "-"), valid_f32(s))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.starts_with
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=valid_f32