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fsbrain (version 0.5.5)

hasIn: Check for values in nested named lists

Description

Check for values in nested named lists

Usage

hasIn(named_list, listkeys)

Value

whether a non-NULL value exists at the path

Arguments

named_list

a named list

listkeys

vector of character strings, the nested names of the lists

Examples

Run this code
   data = list("regions"=list("frontal"=list("thickness"=2.3, "area"=2345)));
   hasIn(data, c("regions", "nosuchregion"));   # FALSE

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