provided?

[procedure] require feature

[procedure] provide feature

[procedure] provided? feature

Loads a library specified by feature.

SCM: feature is a symbol. Mapping from feature to the pathname of the library file is managed by global catalog.

STk, STklos, Gauche: feature is a string, and it is directly used as a part of the pathname of the library file to load. See also STklos:ModuleSystem?, Gauche:ModuleSystem.

See also require-extension.