Method map

pattern/db/__init__.py:1848–1853

Applies the given function to each item in the matrix.

(self, function=lambda item: item)

        return Datasheet(rows=u)
                
    def map(self, function=lambda item: item):
        """ Applies the given function to each item in the matrix.
        """
        for i, row in enumerate(self):
            for j, item in enumerate(row):
                row[j] = function(item)

    def slice(self, i, j, n, m):
        """ Returns a new Datasheet starting at row i and column j and spanning n rows and m columns.