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Showing content from https://cplusplus.github.io/LWG/issue505 below:

Result_type in random distribution requirements

This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of CD1 status.

Section: 29.5.3 [rand.req], 99 [tr.rand.req] Status: CD1 Submitter: Walter Brown Opened: 2005-07-03 Last modified: 2016-01-28

Priority: Not Prioritized

View all other issues in [rand.req].

View all issues with CD1 status.

Discussion:

Table 17: Random distribution requirements

Row 1 requires that each random distribution provide a nested type "input_type"; this type denotes the type of the values that the distribution consumes.

Inspection of all distributions in [tr.rand.dist] reveals that each distribution provides a second typedef ("result_type") that denotes the type of the values the distribution produces when called.

Proposed resolution:

It seems to me that this is also a requirement for all distributions and should therefore be indicated as such via a new second row to this table 17:

[ Berlin: Voted to WP. N1932 adopts the proposed resolution: see Table 5 row 1. ]

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