csv: Document `CsvDocument`.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

diff --git a/lib/csv/csv.nit b/lib/csv/csv.nit
index 38680d0..e3d0c0b 100644 (file)
--- a/lib/csv/csv.nit
+++ b/lib/csv/csv.nit
@@ -19,14 +19,23 @@ module csv
 class CsvDocument
        super Streamable
 
+       # The header.
+       #
+       # Contains the name of all fields in this table.
        var header: Array[String] = new Array[String] is writable
+
+       # The list of the records.
+       #
+       # All records must have the same length than `header`.
        var records: Array[Array[String]] = new Array[Array[String]]
 
+       # Replace the header by the specified row.
        fun set_header(values: Object...) do
                header.clear
                for value in values do header.add(value.to_s)
        end
 
+       # Append the specfied record.
        fun add_record(values: Object...) do
                assert values.length == header.length else
                        sys.stderr.write "CSV error: Header declares {header.length} columns, record contains {values.length} values.\n"