and_then.md

title	fn::and_then

Defined in {style: "api", badge: "#include <fn/and_then.hpp>"}

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:include-doxygen-doc: fn::and_then_t

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Call signatures {style: "api"}

:include-doxygen-member: fn::and_then_t::operator() { signatureOnly: false, includeAllMatches: true }

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Return value {style: "api"}

A monadic type of the same kind.

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Examples {style: "api"}

:include-template: templates/snippet.md { path: "simple/main.cpp", surroundedBy: ["// example-optional-and_then-value"], desc: "The resulting value is 13 because op is not a nullopt and therefore and_then is called." }

:include-template: templates/snippet.md { path: "simple/main.cpp", surroundedBy: ["// example-optional-and_then-empty"], desc: "The result is a nullopt because op was already a nullopt and therefore and_then is not called." }