Select Statements
Author: JTC1/SC22/WG9/ARG, by Randall Brukardt, ARG Editor

Ada Reference Manual — Legal Information

# 9.7 Select Statements

1
There are four forms of the select_statement. One form provides a selective wait for one or more select_alternatives. Two provide timed and conditional entry calls. The fourth provides asynchronous transfer of control.

#### Syntax

2
select_statement ::=
selective_accept
| timed_entry_call
| conditional_entry_call
| asynchronous_select

#### Examples

3
Example of a select statement:
4
select
accept Driver_Awake_Signal;
or
delay 30.0*Seconds;
Stop_The_Train;
end select;

Sponsored by Ada-Europe