storage.set

0th

Percentile

Set value into a store.

Stores a value for a given key.

If there is already a value stored for the key provided, then the exisiting value is overriden with the new value.

Usage
storage.set(storage, key, value)
Arguments
storage

initialized storage

key

key to store value against

value

value to store

Value

Invisbily returns storage

Aliases
  • storage.set
Examples
# NOT RUN {
library(magrittr)

# initialize default memory storage
my.storage <- storage.init()

# set a value into storage
storage.set(my.storage, "name", "Roy Wetherall")

# .. and some more
my.storage %>% 
  storage.set("age", 45) %>% 
  storage.set("alive", TRUE) %>%
  storage.set("children", c("Peter", "Grace", "Lucy"))

# check a key has been set
if (storage.has(my.storage, "name")) print("I know your name!")

# .. and that a key hasn't been set
if (!storage.has(my.storage, "address")) print("I don't know where you live!")

# get some values from storage
sprintf(
  "%s is %i years old.", 
  storage.get(my.storage, "name"),
  storage.get(my.storage, "age"))

# remove a value from storage
storage.unset(my.storage, "children")

# .. and show it's not there anymore
if (!storage.has(my.storage, "address")) print("I don't know who your children are!")

# clear all values from storage
storage.clear(my.storage)

# .. and everything is gone
if (!storage.has(my.storage, "name") && !storage.has(my.storage, "age")) print("I know nothing!")
# }
Documentation reproduced from package memofunc, version 1.0.2, License: GPL-3

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