name-binding Questions

6

Solved

I have the following code, where I declare a function and after it, a variable with the same name as the function: function a(x) { return x * 2; } var a; alert(a); I expected this to alert und...
Olivenite asked 18/11, 2016 at 11:20

1

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After reading http://www.effbot.org/zone/python-objects.htm I am left with this question: In python, if a=1 creates an integer-object and binds it to the name a, b=[] creates an empty list-object ...
Flag asked 18/5, 2017 at 15:47

1

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This code is from "C++ programming language" by Bjarne Stroustrup (C.13.8.3 Point of Instantiation Binding) template <class T> void f(T value) { g(value); } void g(int v); void h() { ext...
Coltish asked 10/10, 2016 at 13:9

1

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I am trying to understand what exactly a Python name binding is, and when this binding is interpreted. In c, include <stdio.h> int main() { int X = 42; int* Y[1]; Y[0] = &X; X = 666; p...
Knobby asked 14/10, 2015 at 1:32

2

I’ve been trying to build tagged AST for a while now. Let’s introduce the issue: data E a = V a | LitInt Int | LitBool Bool | FooIntBool (E a) (E a) -- er… deriving (Eq,Show) The issue with...
Elaterite asked 3/7, 2014 at 17:3

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Consider: data Expr a = V a | Lit Integer | Let (Expr a) (Expr (Maybe a)) deriving (Eq,Show) The Let constructor enables me to bind an expression (first arg) in order to reference it in the ...
Jat asked 30/6, 2014 at 18:2

2

Solved

Need help with understanding the following sentence from PEP 227 and the Python Language Reference If a variable is referenced in an enclosed scope, it is an error to delete the name. The compi...
Farmland asked 9/9, 2012 at 11:34

3

I have a list like this a = [ [ 1,2,3 ], [ 4,5,6] ] If I write for x in a: do something with x Is the first list from a copied into x? Or does python do that with an iterator without doing...
Saker asked 7/4, 2012 at 13:33
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