grapes-.-grapes: Existence aware pick operator

In diseasystore: Feature Stores for the 'diseasy' Framework

Existence aware pick operator

Description

Existence aware pick operator

Usage

env %.% field

Arguments

env	(object) The object or environment to attempt to pick from
field	(character) The name of the field to pick from env

Value

Error if the field does not exist in env, otherwise it returns field

Examples

 t <- list(a = 1, b = 2)

 t$a       # 1
 t %.% a   # 1

 t$c # NULL
 try(t %.% c) # Gives error since "c" does not exist in "t"

diseasystore documentation built on April 4, 2025, 5:56 a.m.