Age | Commit message (Collapse) | Author | Files | Lines | |
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2006-09-22 | * New builtin functions builtins.{hasAttr, getAttr} to check for | Eelco Dolstra | 1 | -0/+10 | |
attribute existence and to return an attribute from an attribute set, respectively. Example: `hasAttr "foo" {foo = 1;}'. They differ from the `?' and `.' operators in that the attribute name is an arbitrary expression. (NIX-61) |