Standard Library

class LogicException

An error that signals a mistake in the program's own logic, such as using an object in the wrong state.

since 0.1.0-alpha.1linuxwindowswasm

bases

Exception, ILogicException

Overview

Nothing in the standard library throws it; it is provided for your own code, and it is kept separate from RuntimeException so the two can be handled differently.

Examples

try {
    throw LogicException("closed twice");
} catch (RuntimeException e) {
    console.writeln("runtime");
} catch (LogicException e) {
    console.writeln("logic: ${e.message}");
}

logic: closed twice

Constructors

new

new(string msg)

Creates a logic error with a message.

Parameters

msg

The text describing what went wrong.

Examples

LogicException e = LogicException("wrong state");
console.writeln(e.message);

wrong state

See also

• ILogicException — The interface of errors that come from a mistake in how the program was written, such as calling something in the wrong state.
• RuntimeException — The error the standard library throws when an operation fails at run time.