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Fuzion • Fuzion Library Modules • lock_free • switch
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switch

switch

§
switch
(A 
type
, B 
type
)
:
choice A, B,Sequence A 
[Module base]
[src]

switch is the parent feature of all choices
that encode success and failure,
e.g. option (something/nil)
What are effects?

Type Parameters

§
A
:
Any 
[Private constructor]
 
[Module base]
[src]
§
B
:
Any 
[Private constructor]
 
[Module base]
[src]

Functions

§
group_by
(K 
type
, f Unary K Sequence.T)
 => 
lock_free.map K (list Sequence.T)  
[Inherited from  Sequence]
[src]
group the elements of this sequence by a key of type K

f determines the key of an element