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nix_api_expr: always force values before giving them to the user

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Yorick van Pelt 2023-08-07 15:09:50 +02:00 • committed by José Luis Lafuente
parent c48b9b8a83
commit 9cccb8bae0
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4 changed files with 13 additions and 3 deletions
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src/libexpr/nix_api_expr.h
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@ -100,7 +100,11 @@ nix_err nix_value_call(nix_c_context *context, State *state, Value *fn,
* The Nix interpreter is lazy, and not-yet-evaluated Values can be
* of type NIX_TYPE_THUNK instead of their actual value.
*
* This function converts Values into their final type.
* This function converts these Values into their final type.
*
* @note You don't need this function for basic API usage, since all functions
* that return a value call it for you. The only place you will see a
* NIX_TYPE_THUNK is in the primop callback.
*
* @param[out] context Optional, stores error information
* @param[in] state The state of the evaluation.