func (a *Assertions) Containsf(s interface{}, contains interface{}, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Containsf(a.t, s, contains, msg, args...)
}
Containsf asserts that the specified string, list(array, slice...) or map contains the
specified substring or element.

a.Containsf("Hello World", "World", "error message %s", "formatted")
a.Containsf(["Hello", "World"], "World", "error message %s", "formatted")
a.Containsf({"Hello": "World"}, "Hello", "error message %s", "formatted")
package assert
import (
	http "net/http"
	url "net/url"
	time "time"
)
func (a *Assertions) Condition(comp Comparison, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Condition(a.t, comp, msgAndArgs...)
}
func (a *Assertions) Conditionf(comp Comparison, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Conditionf(a.t, comp, msg, args...)
}
func (a *Assertions) Contains(s interface{}, contains interface{}, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Contains(a.t, s, contains, msgAndArgs...)
}