Go Package io: Difference between revisions
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(→Writer) |
(→Closer) |
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=<tt>Closer</tt>= | =<tt>Closer</tt>= | ||
{{External|https://golang.org/pkg/io/#Closer}} | {{External|https://golang.org/pkg/io/#Closer}} | ||
Files opened with <code>[[Go_Package_os#os.Create.28.29|os.Create()]]</code> implement <code>io.Closer</code>. | |||
=<tt>ReadCloser</tt>= | =<tt>ReadCloser</tt>= | ||
An interface that exposes basic <code>Read()</code> and <code>Close()</code> methods. The <code>http.Request</code> body is a <code>ReadCloser</code>. See <code>[[#Reader|Reader]]</code>. | An interface that exposes basic <code>Read()</code> and <code>Close()</code> methods. The <code>http.Request</code> body is a <code>ReadCloser</code>. See <code>[[#Reader|Reader]]</code>. | ||
Revision as of 00:10, 19 December 2023
External
Internal
Overview
The io package consists of a few functions, but mostly interfaces used by other packages.
Reader
An interface that exposes Read().
Readers can be used to unmarshall JSON into structs as shown here:
Files opened with os.Create() implement io.Reader.
Writer
Files opened with os.Create() implement io.Writer.
Closer
Files opened with os.Create() implement io.Closer.
ReadCloser
An interface that exposes basic Read() and Close() methods. The http.Request body is a ReadCloser. See Reader.