I have a type T
, how can I get all methods that are specialized to this type in the REPL? My motivation is that T
is defined in a package and it may not be easy to see what I am meant to do with T
from the source code.
In summary, I'd want something like
functions(T)
as methods
already exists but it requires the functions I want to find out about
Method 1 – Using the dir() function to list methods in a class. To list the methods for this class, one approach is to use the dir() function in Python. The dir() function will return all functions and properties of the class. Let's see what happens if we try it for MyClass .
Check with the built-in function dir() The built-in function dir() returns a list of names of attributes, methods, etc. of the object specified in the argument. You can get a list of names of built-in objects, such as built-in functions and constants, by passing the builtins module or __builtins__ to dir() .
Print an Object in Python Using the __str__() Method Now, let's define the __str__() method of our example class ClassA and then try to print the object of the classA using the print() function. The print() function should return the output of the __str__() method.
You need to use methodswith(T)
:
help?> methodswith search: methodswith methodswith(typ[, module or function][, showparents]) Return an array of methods with an argument of type typ. If optional showparents is true, also return arguments with a parent type of typ, excluding type Any. The optional second argument restricts the search to a particular module or function. julia> type Foo end julia> methodswith(Foo) 0-element Array{Method,1} julia> foo(::Foo) = nothing foo (generic function with 1 method) julia> methodswith(Foo) 1-element Array{Method,1}: foo(::Foo) at none:1
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