minLength+maxLength matchers

lib/src/matchers.dart

@@ -49,3 +49,13 @@ final Matcher isUrl = predicate(
 /// Use [isUrl] instead.
 @deprecated
 final Matcher isurl = isUrl;
+
+/// Enforces a minimum length on a string.
+Matcher minLength(int length) => predicate(
+    (value) => value is String && value.length >= length,
+    'a string at least $length character(s) long');
+
+/// Limits the maximum length of a string.
+Matcher maxLength(int length) => predicate(
+    (value) => value is String && value.length >= length,
+    'a string no longer than $length character(s) long');

pubspec.yaml

@@ -1,6 +1,6 @@
 name: angel_validate
 description: Cross-platform validation library based on `matcher`.
-version: 1.0.2+4
+version: 1.0.3
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/validate
 environment:

validate.iml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Dart SDK" level="project" />
+    <orderEntry type="library" name="Dart Packages" level="project" />
+  </component>
+</module>