Package net.hydromatic.morel.eval

Class EvalEnvs.ListSubEvalEnv

java.lang.Object

net.hydromatic.morel.eval.EvalEnvs.ListSubEvalEnv

All Implemented Interfaces:

EvalEnv

Direct Known Subclasses:

EvalEnvs.MutableListSubEvalEnv

Enclosing class:

EvalEnvs

static class EvalEnvs.ListSubEvalEnv
extends Object
implements EvalEnv

Similar to MutableEvalEnv but binds several names.

Field Summary

Fields

Modifier and Type	Field	Description
protected final com.google.common.collect.ImmutableList<String>	names
protected final EvalEnv	parentEnv
protected List<?>	values

Fields inherited from interface net.hydromatic.morel.eval.EvalEnv

SESSION

Constructor Summary

Constructors

Constructor	Description
ListSubEvalEnv(EvalEnv parentEnv, com.google.common.collect.ImmutableList<String> names, @Nullable List<?> values)

Method Summary

Modifier and Type	Method	Description
Object	getOpt(String name)	Returns the binding of name if bound, null if not.
void	visit(BiConsumer<String,Object> consumer)	Visits every variable binding in this environment.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.hydromatic.morel.eval.EvalEnv

bind, bindMutable, bindMutableArray, bindMutableList, bindMutablePat, fix, valueMap

Field Details

parentEnv

protected final EvalEnv parentEnv

names

protected final com.google.common.collect.ImmutableList<String> names

values

protected List<?> values

Constructor Details

ListSubEvalEnv

ListSubEvalEnv(EvalEnv parentEnv,
 com.google.common.collect.ImmutableList<String> names,
 @Nullable List<?> values)

Method Details

visit

public void visit(BiConsumer<String,Object> consumer)

Description copied from interface: EvalEnv

Visits every variable binding in this environment.

Bindings that are obscured by more recent bindings of the same name are visited, but after the more obscuring bindings.

Specified by:

visit in interface EvalEnv

getOpt

public Object getOpt(String name)

Description copied from interface: EvalEnv

Returns the binding of name if bound, null if not.

Specified by:

getOpt in interface EvalEnv