Simplify lambda functions throughout the library where possible

Author: EnricSala

influxdb-client/InfluxDB.m

@@ -113,9 +113,9 @@
 
         % Execute other queries or commands
         function result = runCommand(obj, command, varargin)
-            idx = find(cellfun(@(x) ischar(x), varargin), 1, 'first');
+            idx = find(cellfun(@ischar, varargin), 1, 'first');
             database = iif(isempty(idx), '', varargin{idx});
-            idx = find(cellfun(@(x) islogical(x), varargin), 1, 'first');
+            idx = find(cellfun(@islogical, varargin), 1, 'first');
             requiresPost = iif(isempty(idx), false, varargin{idx});
             if isempty(database)
                 params = {'q', command};

influxdb-client/QueryBuilder.m

@@ -258,7 +258,7 @@
         % Append where clause
         function query = appendWhereTo(obj, query)
             clauses = [obj.Tags, {obj.Before, obj.After, obj.Where}];
-            ispresent = cellfun(@(x) ~isempty(x), clauses);
+            ispresent = ~cellfun(@isempty, clauses);
             condition = strjoin(clauses(ispresent), ' AND ');
             if ~isempty(condition)
                 query = [query ' WHERE ' condition];

influxdb-client/QueryResult.m

@@ -55,7 +55,7 @@
                 'from:empty', 'the response contains no results');
             objs = arrayfun(@(x) QueryResult.wrap(x, epoch), ...
                 response.results, 'UniformOutput', false);
-            nonempty = cellfun(@(x) ~isempty(x), objs);
+            nonempty = ~cellfun(@isempty, objs);
             objs = cellfun(@(x) x, objs(nonempty));
         end
     end

influxdb-client/SeriesResult.m

@@ -146,15 +146,15 @@
             for i = C:-1:1
                 field = fields{i};
                 column = celled(:, i);
-                if all(cellfun(@(x) isnumeric(x), column))
+                if all(cellfun(@isnumeric, column))
                     % Convert to a numeric array
                     for j = 1:N
                         if isempty(column{j})
                             column{j} = NaN;
                         end
                     end
                     value = cell2mat(column);
-                elseif any(cellfun(@(x) islogical(x), column))
+                elseif any(cellfun(@islogical, column))
                     % Convert to a logical array
                     value = zeros(N, 1);
                     for j = 1:N

influxdb-client/WriteBuilder.m

@@ -53,7 +53,7 @@
             else
                 f = @(x) x.toLine(obj.Precision);
                 items = cellfun(f, obj.Items, 'UniformOutput', false);
-                nonempty = cellfun(@(x) ~isempty(x), items);
+                nonempty = ~cellfun(@isempty, items);
                 lines = strjoin(items(nonempty), newline);
             end
         end