req_code: Extract requirements from code
In hadley/requirements: Find Packages Required for Code to Run

Looks for '::', ':::', 'library()', 'require()', 'requireNamespace()', and 'loadNamespace()'.

1	req_code(x)

`x`	Code to examine. Supports unquoting.

1 2	req_code(library("rlang")) req_code(rlang::expr())

hadley/requirements documentation built on May 7, 2019, 8:43 a.m.

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