R: Find all functions in that call supplied functions.

find_uses {pryr} | R Documentation

## Find all functions in that call supplied functions.

### Description

Find all functions in that call supplied functions.

### Usage

    find_uses(envs, funs, match_any = TRUE)

### Arguments

`envs` | Vector of environments to look in. Can be specified by name, position or as environment
`funs` | Functions to look for
`match_any` | If `TRUE` return functions that use any of `funs`. If `FALSE`, return functions that use all of `funs`.

### Examples

    names(find_uses("package:base", "sum"))

    envs <- c("package:base", "package:utils", "package:stats")
    funs <- c("match.call", "sys.call")
    find_uses(envs, funs)

[Package pryr version 0.1.2 Index]