src function

Create a "src" object

src() is the standard constructor for srcs and is.src() tests.

src(subclass, ...)

is.src(x)

Arguments

• subclass: name of subclass. "src" is an abstract base class, so you must supply this value. src_ is automatically prepended to the class name

• ...: fields used by object.

  These dots are evaluated with explicit splicing .

• x: object to test for "src"-ness.