json_last_error_msg()

json_last_error_msg()

function json_last_error_msg(): string

Returns the error string of the last json_encode() or json_decode() call.

Parameters: none.

Returns: string

Availability

• Compiled (AOT): supported by the Elephc code generator.
• eval() (magician interpreter): supported — declarative interpreter builtin (crates/elephc-magician/src/interpreter/builtins/json/json_last_error_msg.rs).

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how json_last_error_msg is implemented in the compiler, see the internals page.