headers.md
In httr2: Perform HTTP Requests and Process the Responses

as_headers errors on invalid types

Code
  as_headers(1)
Condition
  Error:
  ! `headers` must be a list, character vector, or raw.

has nice print method

Code
  as_headers(c("X:1", "Y: 2", "Z:"))
Output
  <httr2_headers>
  X: 1
  Y: 2
  Z: 
Code
  as_headers(list())
Output
  <httr2_headers>

print and str redact headers

Code
  print(x)
Output
  <httr2_headers>
  x: <REDACTED>
  y: 2
Code
  str(x)
Output
   <httr2_headers>
   $ x: <REDACTED>
   $ y: chr "2"

new_headers checks inputs

Code
  new_headers(1)
Condition
  Error:
  ! `x` must be a list.
Code
  new_headers(list(1))
Condition
  Error:
  ! All elements of `x` must be named.
Code
  new_headers(list(x = mean))
Condition
  Error:
  ! Each element of `x` must be an atomic vector or a weakref.
  i `x[[1]]` is a function.