Module scmi_env

• Description
• Data Types
• Function Index
• Function Details

Scheme interpreter environment resource

. __Authors:__ Joseph Wayne Norton ([`norton@alum.mit.edu`](mailto:norton@alum.mit.edu)).

Data Types

env()

abstract datatype: env()

val()

val() = scm_obj()

var()

var() = scm_symbol()

Function Index

define_variable/3
extend/3
is_immutable/1
is_resource/1
lookup_variable/2
make_immutable/1
notify_when_destroyed/2
notify_when_destroyed/3
safe_lookup_variable/2
set_variable/3
the_empty/0

Function Details

define_variable/3

define_variable(Var::var(), Val::val(), X3::env()) -> true

extend/3

extend(Vars::[var()], Vals::[val()], X3::env()) -> val()

is_immutable/1

is_immutable(X1::env()) -> boolean()

is_resource/1

is_resource(Term::term()) -> boolean()

lookup_variable/2

lookup_variable(Var::var(), Env::env()) -> val()

make_immutable/1

make_immutable(X1::env()) -> true

notify_when_destroyed/2

notify_when_destroyed(Msg::term(), Env::env()) -> true

notify_when_destroyed/3

notify_when_destroyed(Pid::pid(), Msg::term(), X3::env()) -> true

safe_lookup_variable/2

safe_lookup_variable(Var::var(), X2::env()) -> val()

set_variable/3

set_variable(Var::var(), Val::val(), X3::env()) -> true

the_empty/0

the_empty() -> env()