TraceContext.Text.is_control: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 2810-2817 of bend-trace-context@0.2.0.0/trace_context.bend: https://jend.leeeet.dev/read.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&start_line=2810&end_line=2817

import Base

# Whether a character is a control character other than a horizontal tab:
# U+0000 to U+0008, U+000A to U+001F or U+007F. No field value may hold one
# (RFC 9110, section 5.5); a carriage return or a line feed would end the
# field.
def Text.is_control(char: Char) -> Bool:
  match char:
    case Chr{+code}:
      Bool.or(Bool.and(U32.is_lt(code, 32), Bool.not(U32.is_eq(code, 9))), U32.is_eq(code, 127))

Uses (7):
  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=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_lt