Rell Stdlib
Rell Docgen 0.16.7
    TYPE

    try_call_result

    Rell Stdlib / Rell Stdlib / [root]
    type try_call_result<T>

    Type representing the result of a function call that may have thrown a require exception.

    Constructed by calling try_call_catch(). Contains either a value of type T or error information.

    Use is_error to check if the call failed, value to get the value (if the call succeeded), value_or_null to get the value or null (if the call failed), or require_message_or_null to get the error message (if the call failed) or null (if the call succeeded).

    Since

    0.14.16

    Attributes
    • is_error: boolean

      Check if this result represents an error.

      Since

      0.14.16

    • value: T

      Get the value contained in this result.

      Throws

      • exception — if the function call threw a require exception

      Since

      0.14.16

    • value_or_null: T?

      Get the value contained in this result or null if this result represents an error.

      Since

      0.14.16

    • require_message_or_null: text?

      Get the error message from the require exception that was thrown by the function call, or null if the function call did not throw an exception.

      Since

      0.14.16

    © 2026 Chromia