* A wrapper around `boost::format` which colors interpolated arguments in * magenta by default. */

* All std::filesystem::path values must be wrapped in this class when formatting via HintFmt * or fmt(). This avoids accidentail double-quoting due t

* A canonical representation of a path. It ensures the following: * * - It always starts with a slash. * * - It never ends with a slash, except if

* POSIX system error, created using `errno`, `strerror` friends. * * Throw this, but prefer not to catch this, and catch `SystemError` * instead. T

* A partially-applied form of `printValue` which can be formatted using `<<` * without allocating an intermediate string. */

* Map one attribute name to its value. */

* Windows Error type. * * Unless you need to catch a specific error number, don't catch this in * portable code. Catch `SystemError` instead. */

* To use in catch-blocks. Provides a convenience method to get the portable * std::error_code. Use when you want to catch and check an error conditio

* A flake reference specifies how to fetch a flake or raw source * (e.g. from a Git repository). It is created from a URL-like syntax * (e.g. 'gith

NOTE: position.hh recursively depends on source-path.hh -> source-accessor.hh -> hash.hh -> configuration.hh -> experimental-features.hh -> error.h

* \ref StorePath "Store path" is the fundamental reference type of Nix. * A store paths refers to a Store object. * * See store/store-path.html for

* Exit the program with a given exit code. */

* An abstraction for accessing source files during * evaluation. Currently, it's just a wrapper around `CanonPath` that * accesses files in the regu

* Denotes a permanent build failure. * * This is both an exception type (inherits from Error) and serves as * the failure variant in BuildResult::i

* RAII wrapper to close a SQLite database automatically. */

* @brief A directory iterator that can be used to iterate over the * contents of a directory. It is similar to std::filesystem::directory_iterator *

* Either a ParsedURL or a verbatim string. This is necessary because in certain cases URI must be passed * verbatim (e.g. in builtin fetchers), since

* A sink that writes data to a file descriptor. */

* Information about a store object. * * See `store/store-object` and `protocols/json/store-object-info` in * the Nix manual */

* An attribute path is a sequence of attribute names. */

* A source that reads data from a file descriptor. */

* The final hash and the number of bytes digested. */

* View into a list of Value * that is itself immutable. * * Since not all representations of ValueStorage can provide * a pointer to a const array

* A helper class for registering \ref Command commands globally. */

* RAII wrapper to create and destroy SQLite prepared statements. */

* Symbols have the property that they can be compared efficiently * (using an equality test), because the symbol table stores only one * copy of eac

* Automatic cleanup of resources. */

* AWS credentials obtained from credential providers */

Print the subgraph of nodes that have 'dependency' in their closure (i.e., that have a non-infinite distance to 'dependency'). P

* Increments a count on construction and decrements on destruction. */

* A class to simplify providing configuration settings. The typical * use is to inherit Config and add Setting<T> members: * * class MyClass : priv

* Internal type discriminator, which is more detailed than `ValueType`, as * it specifies the exact representation used (for types that have multiple

* An experimental feature was required for some (experimental) * operation, but was not enabled. */