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Diffstat (limited to '3 resources/programming/Nix.md')
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diff --git a/3 resources/programming/Nix.md b/3 resources/programming/Nix.md new file mode 100644 index 0000000..fca31a8 --- /dev/null +++ b/3 resources/programming/Nix.md @@ -0,0 +1,16 @@ + `nix repl` to interactively evaluate Nix expressions. `:p` if output is not full. + `nix-instantiate --eval <file>.nix` to evaluate a Nix expression from a file. `--strict`. + +Nix is like JSON, but with functions. +Recursive attribute sets can reference values declared earlier in the same set. +```nix +rec { + one = 1; + two = one + 1; +} +``` + +A `let` binding is used to assign names to values just as attribute sets, they can then be used in expressions. Let bindings have a local scope. + +A `with` allows referencing attributes of attribute sets without referencing the set. + |