TraceContext.Carrier.replace: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 3239-3242 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=3239&end_line=3242

import Base

# The carrier's unrelated fields, followed by `fields`: reversing the loop's
# result onto `fields`, also a loop, puts them back in order.
def Carrier.replace(carrier: List<&2, Header>, fields: List<&2, Header>) -> List<&2, Header>:
  List.reverse.go(&2, Header, Carrier.unrelated.go(carrier, Nil{}), fields)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.reverse.go
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=Carrier.unrelated.go
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=Header