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C API: Add nix_init_apply

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Thunks are relevant when initializing attrsets and lists, passing
arguments. This is an important way to produce them.
This commit is contained in:
Robert Hensing 2024-04-17 17:41:23 +02:00
parent 05b9dac754
commit ad643cde58
4 changed files with 157 additions and 2 deletions
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src/libexpr-c/nix_api_expr.h
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@ -93,6 +93,8 @@ nix_err nix_expr_eval_from_string(
* @param[in] arg The argument to pass to the function.
* @param[out] value The result of the function call.
* @return NIX_OK if the function call was successful, an error code otherwise.
* @see nix_init_apply() for a similar function that does not performs the call immediately, but stores it as a thunk.
* Note the different argument order.
*/
nix_err nix_value_call(nix_c_context * context, EvalState * state, Value * fn, Value * arg, Value * value);