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Merge pull request #10724 from prednaz/libexpr-c_example

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remove redundant and outdated example from `libexpr-c` documentation
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Robert Hensing 2024-05-22 12:59:14 +02:00 committed by GitHub
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2
doc/external-api/README.md
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@ -27,7 +27,7 @@ appreciated.
The following examples, for simplicity, don't include error handling. See the
[Handling errors](@ref errors) section for more information.
# Embedding the Nix Evaluator
# Embedding the Nix Evaluator{#nix_evaluator_example}
In this example we programmatically start the Nix language evaluator with a
dummy store (that has no store paths and cannot be written to), and evaluate the

20
src/libexpr-c/nix_api_expr.h
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@ -3,25 +3,7 @@
/** @defgroup libexpr libexpr
* @brief Bindings to the Nix language evaluator
*
* Example (without error handling):
* @code{.c}
* int main() {
* nix_libexpr_init(NULL);
*
* Store* store = nix_store_open(NULL, "dummy", NULL);
* EvalState* state = nix_state_create(NULL, NULL, store); // empty nix path
* Value *value = nix_alloc_value(NULL, state);
*
* nix_expr_eval_from_string(NULL, state, "builtins.nixVersion", ".", value);
* nix_value_force(NULL, state, value);
* printf("nix version: %s\n", nix_get_string(NULL, value));
*
* nix_gc_decref(NULL, value);
* nix_state_free(state);
* nix_store_free(store);
* return 0;
* }
* @endcode
* See *[Embedding the Nix Evaluator](@ref nix_evaluator_example)* for an example.
* @{
*/
/** @file