import ballerina/io;
// Defines a class called `File`.
class File {
string path;
string contents;
// The `init()` method is used to initialize the `object`.
// when creating a new `object`.
function init(string p, string? c) returns error? {
self.path = p;
self.contents = check c.ensureType(string);
}
}
public function main() returns error? {
// `new` returns the newly-constructed `File` object.
File f = check new File("test.txt", "Hello World");
io:println(f.contents);
}
Init Return Type
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import ballerina/io;
class File {
Defines a class called File.
string path;
string contents;
function init(string p, string? c) returns error? {
self.path = p;
self.contents = check c.ensureType(string);
}
The init() method is used to initialize the object.
when creating a new object.
}
public function main() returns error? {
File f = check new File("test.txt", "Hello World");
new returns the newly-constructed File object.
io:println(f.contents);
}
bal run init_return_type.bal
Hello World
