Error codes · Syntax

PW0019

each_head

The program must hold to this: an {#each} names its list, and after as the name each row binds.

The decisions behind it

0242

Reading the diagnostic

pw check prints the code in brackets, [PW0019], with the sentence above and the place in your program. Errors and diagnostics explains how to read one, and every code is listed with its rule.