Exception type
Direct children types
- AssertFail
Represents failed assertion, thrown by assert(). Should be used to catch programming errors.
- Error
Represents an error. Usually more specific error types are used. Direct subtypes: 14
- ExecutableNotFound
Occurs when executable was not found in path or when executable was absolute or relative and was not found.
- ExitCodeFail
Represents error when converting program execution result to exit code
- ExitException
Represents an exception that should cause exit from the program Direct subtypes: 2
- InstantiatingAbstractType
Represents an attempt to create an instance of an abstract type (not intended for instantiation).
- LockFail
Failure to perform an operation on a lock.
- MainFail
Undocumented
- NoNext
Represents attempt to fetch next value of an iterator when it's exhausted
- NotImplemented
Undocumented
- ReadFail
Undocumented
- RequireFail
Undocumented
- Return
Return instance type, when thrown, will exit the call frame where they were created returning given value.
- ThreadFail
Parent type of various thread exceptions
- UndefinedLocalVar
Represents an error of reading undefined local variable.
Methods
- exception_specific_message(e:Exception) Source: stdlib.ngs:5938
Do nothing. Catch-all for exception_specific_message(). Returns
EmptyBox
- ExitCode(e:Exception) Source: bootstrap.ngs:51
Undocumented Returns
Always 240
- init(e:Exception, message:Str) Source: bootstrap.ngs:7
Initialize an Exception. Parameters
message Goes into .message Returns
Exception with .backtrace and .message
- init(e:Exception, cause:Exception) Source: bootstrap.ngs:13
Initialize an Exception. Returns
Exception with .backtrace and .cause
- init(e:Exception, message:Str, cause:Exception) Source: bootstrap.ngs:19
Initialize an Exception. Returns
Exception with .backtrace, .message, and .cause
- init(f:Failure, e:Exception) Source: stdlib.ngs:3039
Initialize Failure with the given value.
- print_exception(e:Exception) Source: bootstrap.ngs:245
Uses built-in dump() to show an exception. Only used if stdlib is not loaded (stdlib defines better method).
- print_exception(e:Exception, level:Int=0, parent:Exception=null) Source: stdlib.ngs:6106
Print exception to stderr. Uses inspect(). Parameters
level indentation level to use (two spaces for each level) parent parent exception if print_exception() was called for .cause exception