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* Builtin function `add' to add integers.

Browse source 
* Put common test functions in tests/lang/lib.nix.
This commit is contained in:
Eelco Dolstra 2006-09-22 15:29:21 +00:00
parent d315210612
commit 2ab4bc44c7
11 changed files with 68 additions and 26 deletions
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9
src/libexpr/primops.cc
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@ -771,6 +771,14 @@ static Expr primRelativise(EvalState & state, const ATermVector & args)
}
static Expr primAdd(EvalState & state, const ATermVector & args)
{
int i1 = evalInt(state, args[0]);
int i2 = evalInt(state, args[1]);
return makeInt(i1 + i2);
}
void EvalState::addPrimOps()
{
addPrimOp("builtins", 0, primBuiltins);
@ -801,6 +809,7 @@ void EvalState::addPrimOps()
addPrimOp("__hasAttr", 2, primHasAttr);
addPrimOp("removeAttrs", 2, primRemoveAttrs);
addPrimOp("relativise", 2, primRelativise);
addPrimOp("__add", 2, primAdd);
}