public interface HostFunBuilder
An immutable buildre of host funs.
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Method Summary
Modifier and TypeMethodDescriptionaction
(HostFunAction action) Makes a fun.Returns a new builder with the specified desc, and all the other properties inherited fromthis
.take
(int numArgs) Returns a new builder with the specified number of args.takeMin
(int argsMin) Returns a new builder with the specified minimum number of args.takeMinMax
(int argsMin, int argsMax) Returns a builder with the specified minimum and the maximum number of args.
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Method Details
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desc
Returns a new builder with the specified desc, and all the other properties inherited fromthis
.- Parameters:
desc
- the desc of the fun.- Returns:
- a new builder.
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take
Returns a new builder with the specified number of args.The number of args passed to a fun built by the result builder must be equal to
numArgs
.Precondition: numArgs must be nonnegative.
- Parameters:
numArgs
- the number of args which the fun takes.- Returns:
- a new builder.
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takeMin
Returns a new builder with the specified minimum number of args.The number of args passed to a fun built by the result builder must be greater than or equal to
argsMin
.Precondition: argsMin must be nonnegative.
- Parameters:
argsMin
- the minimum number of args which the fun takes.- Returns:
- a new builder.
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takeMinMax
Returns a builder with the specified minimum and the maximum number of args.The number of args passed to a fun built by the result builder must be in the range
[argsMin, argsMax]
.Precondition:
- argsMin must be nonnegative
- argsMin must be less than or equal to argsMax
- Parameters:
argsMin
- the minimum number of args which the fun takes.argsMax
- the maximum number of args which the fun takes.- Returns:
- a new builder.
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action
Makes a fun.- Parameters:
action
- action which is called after args checking passes.- Returns:
- a fun.
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