Ada · Introductory

Lesson 1 · On the house

Program structure and output

with clauses, procedure bodies, Put_Line, and building with gnatmake.

Lesson 2

Variables, constants, and strong typing

Declarations, :=, constants, Integer and Float, explicit conversion, and 'Image.

Lesson 3

Range types and subtypes

Define your own integer ranges, use Natural and Positive, and catch Constraint_Error.

Lesson 4

Control flow

if/elsif, case with choices and others, for loops with ranges and reverse, while, and exit when.

Lesson 5

Procedures, functions, and parameter modes

in, out, in out parameters, functions returning values, named association, and defaults.

Lesson 6

Arrays

Constrained and unconstrained arrays, index types, aggregates, and 'First, 'Last, 'Range, 'Length.

Lesson 7

Records

Record types, defaults, aggregates, field access, and record equality.

Lesson 8

Strings

Fixed String, concatenation with &, slices, Unbounded_String, and Ada.Strings.Fixed helpers.

Lesson 9

Enumerations

Enumeration types, attributes 'Pos, 'Val, 'Succ, 'Pred, 'Image, 'Value, and enum loops.

Lesson 10

Exceptions

Predefined exceptions, raise with messages, handlers, and Exception_Message.