Manipulator -- the class of all file manipulators

Description

A file manipulator is a type of list that, when put out to a file with << causes a chosen function to be applied to the file. Alternatively, a manipulator can be used the way a function is used.

i1 : f = new Manipulator from identity

o1 = f

o1 : Manipulator

i2 : stdio << f

o2 = stdio

o2 : File

i3 : f stdio

o3 = stdio

o3 : File

Functions and methods returning a manipulator :

"new Manipulator from Function"

Methods that use a manipulator :

"File << Manipulator" -- see File << Thing -- print to a file
"Nothing << Manipulator" -- see File << Thing -- print to a file
"Manipulator Database"
"Manipulator File"
"Manipulator Nothing"
"methods(Manipulator)" -- see methods -- list methods
"Manipulator NetFile" -- see NetFile -- the class of all net files
"NetFile << Manipulator" -- see NetFile -- the class of all net files

Fixed objects of class `Manipulator` :

close -- close a file
closeIn -- close an input file
closeOut -- close an output file
endl -- end an output line
flush -- flush output to file

For the programmer

The object Manipulator is a type, with ancestor classes BasicList < Thing.

Manipulator -- the class of all file manipulators

Description

Functions and methods returning a manipulator :

Methods that use a manipulator :

Fixed objects of class Manipulator :

For the programmer

Fixed objects of class `Manipulator` :