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hierarchical? 

        # URI::Generic.hierarchical?

(from ruby core)
### Implementation from Generic
---
    hierarchical?()

---

Returns true if URI is hierarchical.

## Description

URI has components listed in order of decreasing significance from left
to right, see RFC3986 https://tools.ietf.org/html/rfc3986 1.2.3.

## Usage

    require 'uri'

    uri = URI.parse("http://my.example.com/")
    uri.hierarchical?
    #=> true
    uri = URI.parse("mailto:joe@example.com")
    uri.hierarchical?
    #=> false

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