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Fuzion • Fuzion Library Modules • envir • Vars_Provider
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Vars_Provider

envir.Vars_Provider

§Vars_Provider
 => 
envir.Vars_Provider
:
Any 
[src]

Vars_Provider -- abstract source of environment vars

Different heirs of this feature may provided different sources for environment
variables
§get(v String)
 => 
option String
:
Any 
[src]
If set, get the environment variable corresponding to v
§set1(n String, v String)
 => 
outcome unit
:
Any 
[src]
Set the environment variable corresponding to n to have the
value v.

This will overwrite the value of the environment variable, if
it is set already.
§unset(n String)
 => 
outcome unit
:
Any 
[src]
Unset the environment variable corresponding to n.

This will also return success (unit) if the variable was not
set anyway.