package ppx_yojson

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Functions to raise ppx_yojson rewriting errors.

The loc argument should be the loc of the problematic expression within the payload and not the loc argument of the expand function to provide the user accurate information as to what should be fixed.

val unsupported_payload : loc:Ppxlib.Location.t -> 'a

Use this for unsupported payload expressions.

val unsupported_record_field : loc:Ppxlib.Location.t -> 'a

Use this for unsupported Longident used as record fields.

val too_many_fields_in_record_pattern : loc:Ppxlib.Location.t -> 'a

Use this for record pattern with more than 4 fields.

val bad_expr_antiquotation_payload : loc:Ppxlib.Location.t -> 'a

Use this for bad payload in expression antiquotation [%y ...].

val bad_pat_antiquotation_payload : loc:Ppxlib.Location.t -> 'a

Use this for bad payload in pattern antiquotation [%y? ...].